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| author | Anatoly Sokolov <aesok@post.ru> | 2015-10-30 23:56:32 +0300 |
|---|---|---|
| committer | Anatoly Sokolov <aesok@gcc.gnu.org> | 2015-10-30 23:56:32 +0300 |
| commit | d614335f7796ca828cfab1a9e789bbb91165755b (patch) | |
| tree | 2e6dad106e2c0be6d7bcd62276c61e90c5b1dc22 /gcc/var-tracking.c | |
| parent | a6906c809772feaead79e533e79535bd03a49aa6 (diff) | |
| download | gcc-d614335f7796ca828cfab1a9e789bbb91165755b.zip gcc-d614335f7796ca828cfab1a9e789bbb91165755b.tar.gz gcc-d614335f7796ca828cfab1a9e789bbb91165755b.tar.bz2 | |
Add contains_symbol_ref_p
From-SVN: r229607
Diffstat (limited to 'gcc/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 2f7c761..72f2e81 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -664,7 +664,6 @@ static bool variable_different_p (variable *, variable *); static bool dataflow_set_different (dataflow_set *, dataflow_set *); static void dataflow_set_destroy (dataflow_set *); -static bool contains_symbol_ref (rtx); static bool track_expr_p (tree, bool); static bool same_variable_part_p (rtx, tree, HOST_WIDE_INT); static void add_uses_1 (rtx *, void *); @@ -5021,42 +5020,6 @@ dataflow_set_destroy (dataflow_set *set) set->vars = NULL; } -/* Return true if RTL X contains a SYMBOL_REF. */ - -static bool -contains_symbol_ref (rtx x) -{ - const char *fmt; - RTX_CODE code; - int i; - - if (!x) - return false; - - code = GET_CODE (x); - if (code == SYMBOL_REF) - return true; - - fmt = GET_RTX_FORMAT (code); - for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--) - { - if (fmt[i] == 'e') - { - if (contains_symbol_ref (XEXP (x, i))) - return true; - } - else if (fmt[i] == 'E') - { - int j; - for (j = 0; j < XVECLEN (x, i); j++) - if (contains_symbol_ref (XVECEXP (x, i, j))) - return true; - } - } - - return false; -} - /* Shall EXPR be tracked? */ static bool @@ -5137,7 +5100,7 @@ track_expr_p (tree expr, bool need_rtl) char **_dl_argv; */ if (decl_rtl && MEM_P (decl_rtl) - && contains_symbol_ref (XEXP (decl_rtl, 0))) + && contains_symbol_ref_p (XEXP (decl_rtl, 0))) return 0; /* If RTX is a memory it should not be very large (because it would be |